Home / 15,849.42-21,868.92-10,746.74

Finding the Fourth Proportional to 15,849.42, 21,868.92 and 10,746.74

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Solution

The fourth proportional to 15,849.42, 21,868.92 and 10,746.74 is: 14,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.42 : 21,868.92 = 10,746.74 : x
  2. Step 2: Convert to fraction form
    15,849.42/21,868.92 = 10,746.74/x
  3. Step 3: Cross multiply
    15,849.42x = 21,868.92 × 10,746.74
  4. Step 4: Simplify right side
    15,849.42x = 235,019,597.32
  5. Step 5: Solve for x
    x = 235,019,597.32/15,849.42
  6. Step 6: Final answer
    x = 14,828.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.